NDLI: Biomonitoring of Lead and Cadmium in the Hair and Fingernails of Elderly Korean Subjects

Content Provider	Springer Nature Link
Author	Kim, Minjeong Kim, Kisok
Copyright Year	2011
Abstract	Lead and cadmium are toxic to humans at excessive levels, and monitoring the human body burden of these metals is important in preventing adverse health effects. In this study, we assessed the exposure to lead and cadmium among an elderly population 60 years of age or older. Based on data from 115 participants, we found that the geometric mean lead concentrations in hair and fingernails were 1.11 μg/g [95% confidence interval (CI) 0.78–1.58] and 1.11 μg/g (95% CI 0.81–1.51), respectively. The lead concentrations in hair and fingernails were significantly related to cigarette smoking. The geometric mean cadmium concentrations in hair and fingernails were 52.6 ng/g (95% CI 42.0–65.9) and 40.1 ng/g (95% CI 29.9–53.9), respectively. Cadmium concentrations in hair were significantly related to body mass index and cigarette smoking, whereas higher fingernail cadmium concentrations were related to alcohol drinking. Correlations between hair and fingernail concentrations of lead and of cadmium were slightly positive. Our findings suggest that the body burden of lead and cadmium varies according to demographic factors, and hair and fingernails could be used differentially as a biological medium for metal exposure.
Starting Page	794
Ending Page	802
Page Count	9
File Format	PDF
ISSN	01634984
Journal	Biological Trace Element Research
Volume Number	143
Issue Number	2
e-ISSN	15590720
Language	English
Publisher	Humana Press Inc
Publisher Date	2011-01-08
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Lead Cadmium Elderly Hair Nail Body burden Oncology Biotechnology Biochemistry Nutrition
Content Type	Text
Resource Type	Article
Subject	Biochemistry (medical) Endocrinology, Diabetes and Metabolism Clinical Biochemistry Biochemistry Inorganic Chemistry

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